Toothbrush



FIG. 1 is a perspective view of the toothbrush;

FIG. 2 is a side elevational view, the other side corresponding;

FIG. 3 is a rear view;

FIG. 4 is a front view;

FIG. 5 is an end view; and,

FIG. 6 is an end view from the other end of the toothbrush. 

The ornamental design for a toothbrush, as shown and described. 